ABO PrActice test exAm QUestiONs & ANswers |
100% cOrrect/Verified sOlUtiONs | lAtest
2026/2027 | grAde A+
To mount a lens in a nylon suspension type frame, it would be necessary to _______ the
lens.
a) Drill
b) Notch
c) Groove
d) V-Bevel - ANSWER-c
The optical center of a lens is:
a) At the geometrical center
b) One the 180 line
c) At the point where the "a" and "b" measurement meet
d) A lens location of zero deviation of the optical axis - ANSWER-d
The progressive power lens has a progressive zone after where power:
a) Gradually increases
b) Of the cylindrical increases
c) Stays the same
d) Abruptly changes - ANSWER-a
Standard transmissions in sunlenses should range between
,a) 10% and 30%
b) 15% and 30%
c) 10% and 25%
d) 15% and 25% - ANSWER-b
OC placement verification is important to ensure:
a) Accuracy of patient pd
b) Correct power of the add
c) That there is no unwanted prismatic effect
d) None of the above - ANSWER-c
Materials that best produce polarized light by reflectance are called:
a) Diatomic
b) Diametric
c) Dielectric
d) Diabolical - ANSWER-c
Coating lenses by depositing a metallic film such as magnesium floride on the surface of
a finished lens is done for the following reason:
a) Reducing light transmitted
b) Reducing reflections
c) Reducing weight
d) Reducing power - ANSWER-b
Aspheric lens surfaces are most commonly used with:
a) Lenses of low refractive power
, b) Occluder lenses
c) High plus lenses
d) Sunglasses - ANSWER-b
The most commonly used prescription for correcting muscle imbalance in a case of
esotrophia would be:
a) Plus sphere
b) Minus cylinder
c) Base in prism
d) Base out prism - ANSWER-d
The use of multifocal lenses is associated with:
a) Presbyopia
b) Astigmatism
c) Phoria
d) Tropia - ANSWER-a
When the optician advies the consumer as to the breakage of lenses, the risk of injury
should be described in terms of:
a) Impact resistance
b) Shatterproff
c) Lens inspection
d) Lens verification - ANSWER-a
When fitting progressive power lenses, certain critical measurements are taken, one of
the most important is the:
a) Lens size
100% cOrrect/Verified sOlUtiONs | lAtest
2026/2027 | grAde A+
To mount a lens in a nylon suspension type frame, it would be necessary to _______ the
lens.
a) Drill
b) Notch
c) Groove
d) V-Bevel - ANSWER-c
The optical center of a lens is:
a) At the geometrical center
b) One the 180 line
c) At the point where the "a" and "b" measurement meet
d) A lens location of zero deviation of the optical axis - ANSWER-d
The progressive power lens has a progressive zone after where power:
a) Gradually increases
b) Of the cylindrical increases
c) Stays the same
d) Abruptly changes - ANSWER-a
Standard transmissions in sunlenses should range between
,a) 10% and 30%
b) 15% and 30%
c) 10% and 25%
d) 15% and 25% - ANSWER-b
OC placement verification is important to ensure:
a) Accuracy of patient pd
b) Correct power of the add
c) That there is no unwanted prismatic effect
d) None of the above - ANSWER-c
Materials that best produce polarized light by reflectance are called:
a) Diatomic
b) Diametric
c) Dielectric
d) Diabolical - ANSWER-c
Coating lenses by depositing a metallic film such as magnesium floride on the surface of
a finished lens is done for the following reason:
a) Reducing light transmitted
b) Reducing reflections
c) Reducing weight
d) Reducing power - ANSWER-b
Aspheric lens surfaces are most commonly used with:
a) Lenses of low refractive power
, b) Occluder lenses
c) High plus lenses
d) Sunglasses - ANSWER-b
The most commonly used prescription for correcting muscle imbalance in a case of
esotrophia would be:
a) Plus sphere
b) Minus cylinder
c) Base in prism
d) Base out prism - ANSWER-d
The use of multifocal lenses is associated with:
a) Presbyopia
b) Astigmatism
c) Phoria
d) Tropia - ANSWER-a
When the optician advies the consumer as to the breakage of lenses, the risk of injury
should be described in terms of:
a) Impact resistance
b) Shatterproff
c) Lens inspection
d) Lens verification - ANSWER-a
When fitting progressive power lenses, certain critical measurements are taken, one of
the most important is the:
a) Lens size
